CIRBN, LLC

Data as of 2026-07-26

BGP inherited

Cluster stats

Netblocks	21 · 16,641 IPv4 addresses
IPv6	2 prefixes (largest 2605:b180::/32)
Cluster ID	214398016
Registry	BGP
Customers	find customers using this network →

Evidence & provenance ?

Attribution	BGP parent (inherited)
Shared handles	clustered on 14 shared RIR contact/maintainer handles
Registry names	3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON

23 +4 netblocks since 2026-07-05

2026-07-05 peak 23 2026-07-26

⬇ export CSV

CIDR	Org name	Registry	Status	Confidence
38.89.244.0/22	CIRBN, LLC	BGP	ANNOUNCED	● high
64.150.64.0/24	CIRBN, LLC	BGP	ANNOUNCED	● high
76.78.250.0/24	CIRBN, LLC	BGP	ANNOUNCED	● high
107.152.0.0/20	CIRBN, LLC	BGP	ANNOUNCED	● high
158.222.16.0/22	CIRBN, LLC	BGP	ANNOUNCED	● high
158.222.20.0/24	CIRBN, LLC	BGP	ANNOUNCED	● high
158.222.21.0/24	CIRBN, LLC	BGP	ANNOUNCED	● high
158.222.22.0/24	CIRBN, LLC	BGP	ANNOUNCED	● high
162.222.8.0/21	CIRBN, LLC	BGP	ANNOUNCED	● high
199.38.32.0/20	CIRBN, LLC	BGP	ANNOUNCED	● high
208.115.136.59/32	CIRBN	PEERINGDB	ASSIGNED	● high
216.124.156.0/22	CIRBN, LLC	BGP	ANNOUNCED	● high
216.125.236.0/24	CIRBN, LLC	BGP	ANNOUNCED	● high
216.125.237.0/24	CIRBN, LLC	BGP	ANNOUNCED	● high
216.125.238.0/24	CIRBN, LLC	BGP	ANNOUNCED	● high
216.125.239.0/24	CIRBN, LLC	BGP	ANNOUNCED	● high
216.125.243.0/24	CIRBN, LLC	BGP	ANNOUNCED	● high
216.125.244.0/23	CIRBN, LLC	BGP	ANNOUNCED	● high
216.125.246.0/24	CIRBN, LLC	BGP	ANNOUNCED	● high
2001:504:0:4:0:6:2523:1/128	CIRBN	PEERINGDB	ASSIGNED	● high
2605:b180::/32	CIRBN, LLC	BGP	ANNOUNCED	● high

CIDR
2605:b180::/32
2001:504:0:4:0:6:2523:1/128

what's this?

RPKI hygiene: C how networks compare →

65.2% of checked blocks have valid RPKI ROA coverage (15 of 23)

No discrepancies found among checked blocks.

AS62523 AS62523 CAC86-ARIN CL-214 CTS22-ARIN CTS22-ARIN CTS22-ARIN CTS22-ARIN CTS22-ARIN DLB152-ARIN DLB152-ARIN DLB152-ARIN +2 more